1. Research Group Healthy Ageing, Allied Health Care and Nursing Hanze University of Applied Sciences Groningen Groningen The Netherlands
2. School of Sports Studies Hanze University of Applied Sciences Groningen Groningen The Netherlands
3. Department of Health Psychology University of Groningen, University Medical Center Groningen Groningen The Netherlands
4. Intellectual Disability Medicine, Department of General Practice Erasmus MC University Medical Centre Rotterdam Rotterdam The Netherlands
5. Physical Therapy Department University of Nevada, Las Vegas Las Vegas Nevada USA
6. Department of Rehabilitation Medicine University of Groningen, University Medical Center Groningen Groningen The Netherlands